AR 2000 Operator's Manual
129
The LCD display on the front of the rheometer electronics box displays useful information and error messages.
Power On Messages
Immediately after power up of the rheometer, the display will show 'Initialising...' After a few seconds this
will change to 'AR2000 7.xx xx/xx/xx' (x is version dependant). If it does not, there is a problem with the
rheometer.
After a few more seconds, the display will either show 'System test Ok' or 'System test failed Y,' where Y is an
error code as show below:
1 ROM checksum error Either bad firmware or Try reloading firmware, otherwise call for
or hardware fault service.
2 RAM error Hardware fault Call for service.
4 Dual port RAM error Hardware fault Call for service.
40 Battery failure Low battery Sometimes seen the first time the system is
restarted after a firmware upgrade.
Cycles power off then on.
80 Backup RAM error Hardware fault Call for service.
400 Parameter block Either corrupted Call for service.
checksum error internal system
parameters or
hardware fault
Initialising ...
During start up of the rheometer, the following items are shown as initializing:
• Electronics
• Power board
• Instrument
Bearing overspeed
Shown when the rheometer bearing rotation exceeds the specified maximum speed.
Appendix D
LCD Display Messages
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